<!--
 * @Author: 高瑞寒 15932717091@163.com
 * @Date: 2022-04-25 09:11:21
 * @LastEditTime: 2022-04-25 10:15:17
 * @LastEditors: 高瑞寒 15932717091@163.com
 * @Description: 
-->
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <div id="test"></div>
  <script type="text/javascript" src="../js/react.development.js"></script>
  <script type="text/javascript" src="../js/react-dom.development.js"></script>
  <script type="text/javascript" src="../js/babel.min.js">
  </script>
  <script src="../js/prop-types.js"></script>
  <script type="text/babel">
    class MyComponent extends React.Component {
      handleClick = () => {
        const { input } = this.refs
        console.log(
          '%c' + input.value,
          'color:red'
        );
      }
      render() {
        return (
          <div>
            <input type="text" ref='input' />
            <button onClick={this.handleClick}>点击</button>
            <input onBlur={() => { console.log(this.refs.input2.value) }} type="text" ref='input2' />
          </div>
        )
      }

    }
    ReactDOM.render(<div><MyComponent /></div>, document.querySelector('#test'))
  </script>
</body>

</html>